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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
Concealed mounting holes
Nylon bushings on adjustable blades to prevent metal on metal rattle
3/4" round collar
Standard Features * Full size fixed bar blade T-Bar lay-in return air grille *
Designed to handle high volumes of air with horizontal flow
4 1/4" Vertical Mount Fire Damper 2633-30X10 T-Bar Concealed mounting holesh3. Standard Features * 2633 Square or rectangular out of airstream fire damper for vertical mount only. * 2634 Square or rectangular Spring actuated (6) out of airstream fire damper for horizontal or vertical mount. * UL and California State Fire Marshall approved * 4 1 4" standard frame style * Maximum dimension 60w, 52h * Interlocking steel roll formed blade (3) with roll formed frames (1) * Blade lock (5) * Damper manufactured from corrosion
US$ 64.00
US$ 24.99
US$ 16.99
